In celebration of the launch of Steam for Mac, Valve Corporation is giving away the game Portal for free. This promotion is different from the usual “free weekend” offer. Portal is free for everyone to keep forever on their PC, as long as they download it before May 24.
Portal is a single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
Portal has been acclaimed as one of the most original games in 2007, despite being considered short in length. The game won over 70 Game of the Year Awards.
To download Portal you will require to install the Steam client first, if you don’t already have it, and then visit the download page.